Home / 8,153.73-11,250.36-6,139.26

Finding the Fourth Proportional to 8,153.73, 11,250.36 and 6,139.26

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Solution

The fourth proportional to 8,153.73, 11,250.36 and 6,139.26 is: 8,470.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.73 : 11,250.36 = 6,139.26 : x
  2. Step 2: Convert to fraction form
    8,153.73/11,250.36 = 6,139.26/x
  3. Step 3: Cross multiply
    8,153.73x = 11,250.36 × 6,139.26
  4. Step 4: Simplify right side
    8,153.73x = 69,068,885.13
  5. Step 5: Solve for x
    x = 69,068,885.13/8,153.73
  6. Step 6: Final answer
    x = 8,470.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.